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If electrictic and magnetic field strengths vary sinusoidally in time, being zero at t=0? Integrate sqrt((1+ sin x))/sqrt(1-sin x) dx? Find\ the\ difference\ quotient\ and\ then\ find\ the\ average\ rate\ of\ change\ from\ the\ given\ \iinterval -x^2+2x-3 [4,4.02]? Complete the proof will give best answer ty? Can a big enough earthquake cause a whole continent to become submerged?